Hiked Ghost Falls today with the family. It was a nice short hike. A little muddy in spots but not too bad. There are quite a few mountain bikers on this trail but all were super friendly and respectful. The falls aren't particularly amazing but was fun to look at. There is lots of poison ivy around the trail and by the falls so be careful where you walk!
This was an OK trail. It's relatively low elevation, but rises above Corner Canyon so you can see the Salt Lake valley and Utah County. I took the trail to where it ends on the app, but the trail keeps going past that point.
It looks like it would connect with the Cherry Canyon Logging Trail further up, so you could do a loop down to the Orson Smith Trailhead area, or keep taking it up to the Outlaw Cabin or Lone Peak. However, there are more efficient ways to both.
Other options for long hikes would be taking this to Cherry Canyon, then connecting with Trail of the Eagle, and going through Little Willow Canyon (faint trail), and down Sawmill Trail (or heading up Sawmill to the Rocky Mouth Canyon Peak area that overlooks the upper Bells Canyon reservoir).
Overall, this is a nice trail that's well marked, has great views, and has some options for turning it into a longer hike. But it's not a very efficient trail if you're aiming for a specific destination.